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6.3 Exercise 23

Avg difficulty 2.5

If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from sliding toward the inside of the curve (a problem on icy mountain roads). (a) Calculate the ideal speed to take a 100.0 m radius curve banked at 15.0°15.0 °. (b) What is the minimum coefficient of friction needed for a frightened driver to take the same curve at 20.0 km/h?

OpenStax University Physics Volume 1, 6.3 Centripetal Force, exercise 23

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Adapted from University Physics Volume 1 © 2016 Rice University. Licensed under CC BY 4.0. Source: University Physics Volume 1. Imported at revision db44eb9.